140322122 has 4 divisors (see below), whose sum is σ = 210483186. Its totient is φ = 70161060.

The previous prime is 140322121. The next prime is 140322137. The reversal of 140322122 is 221223041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221223041 = 13 ⋅17017157.

It can be written as a sum of positive squares in only one way, i.e., 138039001 + 2283121 = 11749^2 + 1511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140322122.

It is not an unprimeable number, because it can be changed into a prime (140322121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35080529 + ... + 35080532.

Almost surely, 2^140322122 is an apocalyptic number.

140322122 is a deficient number, since it is larger than the sum of its proper divisors (70161064).

140322122 is an equidigital number, since it uses as much as digits as its factorization.

140322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70161063.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140322122 is about 11845.7638841908. The cubic root of 140322122 is about 519.6473471844.

Adding to 140322122 its reverse (221223041), we get a palindrome (361545163).

The spelling of 140322122 in words is "one hundred forty million, three hundred twenty-two thousand, one hundred twenty-two".